package book;

public class BookList {
    private Book []books = new Book[10];
//书架上书的有效个数
    private int usedSize;

    public BookList() {
        books[0] = new Book("红楼梦","曹雪芹",16,"小说");
        books[1] = new Book("西游记","吴承恩",19,"小说");
        books[2] = new Book("三国演义","罗贯中",5,"小说");
        usedSize = 3;
    }
    //从书架上取书
    public Book getBook(int pos) {
        if(pos < 0) {
            return null;
        }
        return books[pos];
    }
    //将书放置在书架上
    public void setBook(int pos, Book book) {
        books[pos] = book;
    }

    public Book[] getBooks() {
        return books;
    }

    public void setBooks(Book[] books) {
        this.books = books;
    }

    public int getUsedSize() {
        return usedSize;
    }

    public void setUsedSize(int usedSize) {
        this.usedSize = usedSize;
    }
}
